class SassMixinNode in Sassy 7.3

SassMixinNode class. Represents a Mixin. @package PHamlP @subpackage Sass.tree

Hierarchy

• class \SassNode
  • class \SassMixinNode

File

phpsass/tree/SassMixinNode.php, line 18

class SassMixinNode extends SassNode {
  const NODE_IDENTIFIER = '+';
  const MATCH = '/^(\\+|@include\\s+)([a-z0-9_-]+)\\s*(?:\\((.*?)\\))?\\s*$/i';
  const IDENTIFIER = 1;
  const NAME = 2;
  const ARGS = 3;

  /**
   * @var string name of the mixin
   */
  private $name;

  /**
   * @var array arguments for the mixin
   */
  private $args = array();

  /**
   * SassMixinDefinitionNode constructor.
   * @param object source token
   * @return SassMixinNode
   */
  public function __construct($token) {
    parent::__construct($token);
    preg_match(self::MATCH, $token->source, $matches);
    if (!isset($matches[self::NAME])) {
      throw new SassMixinNodeException('Invalid mixin invocation: ($token->source)', $this);
    }
    $this->name = $matches[self::NAME];
    if (isset($matches[self::ARGS])) {
      $this->args = SassScriptFunction::extractArgs($matches[self::ARGS]);
    }
  }

  /**
   * Parse this node.
   * Set passed arguments and any optional arguments not passed to their
   * defaults, then render the children of the mixin definition.
   * @param SassContext the context in which this node is parsed
   * @return array the parsed node
   */
  public function parse($pcontext) {
    $mixin = $pcontext
      ->getMixin($this->name);
    $context = new SassContext($pcontext);
    $argc = count($this->args);
    $count = 0;
    foreach ($mixin->args as $name => $value) {
      if ($count < $argc) {
        $context
          ->setVariable($name, $this
          ->evaluate($this->args[$count++], $context));
      }
      elseif (!is_null($value)) {
        $context
          ->setVariable($name, $this
          ->evaluate($value, $context));
      }
      else {
        print_r($this->name);
        print_r($mixin->token);
        throw new SassMixinNodeException("Mixin::{$name}: Required variable ({$this->name}) not given.\nMixin defined: ' . {$mixin->token}->filename . '::' . {$mixin->token}->line . '\nMixin used", $this);
      }
    }

    // foreach
    $children = array();
    foreach ($mixin->children as $child) {
      $child->parent = $this;
      $children = array_merge($children, $child
        ->parse($context));
    }

    // foreach

    //$context->merge();
    return $children;
  }

  /**
   * Returns a value indicating if the token represents this type of node.
   * @param object token
   * @return boolean true if the token represents this type of node, false if not
   */
  public static function isa($token) {
    return $token->source[0] === self::NODE_IDENTIFIER;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SassMixinNode::$args	private	property
SassMixinNode::$name	private	property
SassMixinNode::ARGS		constant
SassMixinNode::IDENTIFIER		constant
SassMixinNode::isa	public static	function	Returns a value indicating if the token represents this type of node. Overrides SassNode::isa
SassMixinNode::MATCH		constant
SassMixinNode::NAME		constant
SassMixinNode::NODE_IDENTIFIER		constant
SassMixinNode::parse	public	function	Parse this node. Set passed arguments and any optional arguments not passed to their defaults, then render the children of the mixin definition.
SassMixinNode::__construct	public	function	SassMixinDefinitionNode constructor. Overrides SassNode::__construct
SassNode::$children	public	property
SassNode::$parent	public	property		1
SassNode::$root	public	property
SassNode::$token	public	property
SassNode::addChild	public	function	Adds a child to this node.
SassNode::addWarning	public	function	Adds a warning to the node.
SassNode::evaluate	public	function	Evaluates a SassScript expression.
SassNode::getChildren	public	function	Returns the node's children
SassNode::getDebug_info	public	function	Returns the debug_info option setting for this node
SassNode::getFilename	public	function	Returns the filename for this node
SassNode::getLastChild	public	function	Returns the last child node of this node.
SassNode::getLevel	public	function	Returns the level of this node.
SassNode::getLine	public	function	Returns the line number for this node
SassNode::getLine_numbers	public	function	Returns the line_numbers option setting for this node
SassNode::getParent	public	function	Returns the node's parent
SassNode::getParser	public	function	Returns the Sass parser.
SassNode::getPropertySyntax	public	function	Returns the property syntax being used.
SassNode::getRenderer	public	function	Returns the renderer.
SassNode::getScript	public	function	Returns the SassScript parser.
SassNode::getSource	public	function	Returns the source for this node
SassNode::getStyle	public	function	Returns the render style of the document tree.
SassNode::getVendor_properties	public	function	Returns vendor specific properties
SassNode::hasChildren	public	function	Returns a value indicating if this node has children
SassNode::hasParent	public	function	Return a value indicating if this node has a parent
SassNode::inDirective	public	function	Returns a value indicating whether this node is in a directive
SassNode::inSassScriptDirective	public	function	Returns a value indicating whether this node is in a SassScript directive
SassNode::interpolate	public	function	Replace interpolated SassScript contained in '#{}' with the parsed value.
SassNode::isChildOf	public	function	Returns a value indicating if this node is a child of the passed node. This just checks the levels of the nodes. If this node is at a greater level than the passed node if is a child of it.
SassNode::parseChildren	public	function	Parse the children of the node.
SassNode::__clone	public	function	Resets children when cloned
SassNode::__get	public	function	Getter.
SassNode::__set	public	function	Setter.